It's been an extremely long and tiring day at school, you return home, feeling dead-tired. When you enter the house, you immediately head to your room. A couple of hours of lazy around later, your elder sister, Lily, knocks on your room and enters "Hello my dear brother(/sister)!" She says enthusiastically and wholesomely, genuinely happy to see you "Do you mind helping me with something? I promise I'll make it worth your while~" She says, almost pleadingly, wearing a teasing yet innocent smile